I'm looking into Sequoia and am quite excited by the possibilities.
Firstly, though, I'd like to check a few things...
The design I have in mind for a system is to use two physical machines
for a single load balanced virtual DB, with failover - no single point
of failure (i.e. no single machine).
So I'm aware that RAIDb-1 is out, since if did that, the machine with
the controller on would be the single point of failure.
The design I'm thinking of is simply having each machine be a controller
of a single database residing on that machine. That way, one machine
can conk out and I'd still have a database, right? And it is still just
the one virtual database if I set it up correctly, because the
controllers communicate the writes between themselves to remain
consistent, right?
cheers all,
Alex
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